287 lines
10 KiB
JavaScript
287 lines
10 KiB
JavaScript
import { app } from "../../../scripts/app.js";
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// Replace this with the category/categories used by your nodes.
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const categories = ["Flux-Continuum/Utilities", "Flux-Continuum/Sliders"];
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// --- MODIFICATION 3: Change the extension name to be unique ---
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app.registerExtension({
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name: "FluxContinuum.Help", // A unique name for your extension
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async beforeRegisterNodeDef(nodeType, nodeData) {
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if (app.ui.settings.getSettingValue("KJNodes.helpPopup") === false) {
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return;
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}
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try {
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// --- MODIFICATION 4: Corrected Logic ---
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// Check if the node's category matches any in our list.
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const hasMatchingCategory = categories.some(cat => nodeData?.category?.startsWith(cat));
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if (hasMatchingCategory) {
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addDocumentation(nodeData, nodeType);
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}
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} catch (error) {
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console.error("Error in registering MyNodePack.HelpPopup", error);
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}
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},
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});
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const create_documentation_stylesheet = () => {
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const tag = 'my-documentation-stylesheet' // Use a unique tag
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let styleTag = document.head.querySelector(tag)
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if (!styleTag) {
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styleTag = document.createElement('style')
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styleTag.type = 'text/css'
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styleTag.id = tag
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styleTag.innerHTML = `
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.kj-documentation-popup {
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background: var(--comfy-menu-bg);
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position: absolute;
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color: var(--fg-color);
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font: 12px monospace;
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line-height: 1.5em;
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padding: 10px;
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border-radius: 10px;
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border-style: solid;
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border-width: medium;
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border-color: var(--border-color);
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z-index: 50; /* Increased z-index */
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overflow: hidden;
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max-width: 450px; /* Set a maximum width */
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min-width: 200px; /* Set a minimum width */
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word-wrap: break-word; /* Ensure long words wrap */
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}
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.content-wrapper {
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overflow: auto;
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max-height: 100%;
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/* Scrollbar styling for Chrome */
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&::-webkit-scrollbar {
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width: 6px;
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}
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&::-webkit-scrollbar-track {
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background: var(--bg-color);
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}
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&::-webkit-scrollbar-thumb {
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background-color: var(--fg-color);
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border-radius: 6px;
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border: 3px solid var(--bg-color);
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}
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/* Scrollbar styling for Firefox */
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scrollbar-width: thin;
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scrollbar-color: var(--fg-color) var(--bg-color);
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a {
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color: yellow;
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}
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a:visited {
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color: orange;
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}
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a:hover {
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color: red;
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}
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}
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`
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document.head.appendChild(styleTag)
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}
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}
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/** Add documentation widget to the selected node */
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export const addDocumentation = (
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nodeData,
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nodeType,
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opts = { icon_size: 14, icon_margin: 4 },) => {
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opts = opts || {}
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const iconSize = opts.icon_size ? opts.icon_size : 14
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const iconMargin = opts.icon_margin ? opts.icon_margin : 4
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let docElement = null
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let contentWrapper = null
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//if no description in the node python code, don't do anything
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if (!nodeData.description) {
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return
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}
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const drawFg = nodeType.prototype.onDrawForeground
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nodeType.prototype.onDrawForeground = function (ctx) {
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const r = drawFg ? drawFg.apply(this, arguments) : undefined
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if (this.flags.collapsed) return r
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// icon position
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const x = this.size[0] - iconSize - iconMargin
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// create the popup
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if (this.show_doc && docElement === null) {
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docElement = document.createElement('div')
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contentWrapper = document.createElement('div');
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docElement.appendChild(contentWrapper);
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create_documentation_stylesheet()
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contentWrapper.classList.add('content-wrapper');
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docElement.classList.add('kj-documentation-popup')
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contentWrapper.innerHTML = DOMPurify.sanitize(marked.parse(nodeData.description,))
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// resize handle
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const resizeHandle = document.createElement('div');
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resizeHandle.style.width = '0';
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resizeHandle.style.height = '0';
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resizeHandle.style.position = 'absolute';
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resizeHandle.style.bottom = '0';
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resizeHandle.style.right = '0';
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resizeHandle.style.cursor = 'se-resize';
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// Add pseudo-elements to create a triangle shape
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const borderColor = getComputedStyle(document.documentElement).getPropertyValue('--border-color').trim();
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resizeHandle.style.borderTop = '10px solid transparent';
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resizeHandle.style.borderLeft = '10px solid transparent';
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resizeHandle.style.borderBottom = `10px solid ${borderColor}`;
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resizeHandle.style.borderRight = `10px solid ${borderColor}`;
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docElement.appendChild(resizeHandle)
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let isResizing = false
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let startX, startY, startWidth, startHeight
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resizeHandle.addEventListener('mousedown', function (e) {
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e.preventDefault();
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e.stopPropagation();
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isResizing = true;
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startX = e.clientX;
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startY = e.clientY;
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startWidth = parseInt(document.defaultView.getComputedStyle(docElement).width, 10);
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startHeight = parseInt(document.defaultView.getComputedStyle(docElement).height, 10);
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},
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{ signal: this.docCtrl.signal },
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);
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// close button
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const closeButton = document.createElement('div');
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closeButton.textContent = '❌';
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closeButton.style.position = 'absolute';
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closeButton.style.top = '0';
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closeButton.style.right = '0';
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closeButton.style.cursor = 'pointer';
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closeButton.style.padding = '5px';
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closeButton.style.color = 'red';
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closeButton.style.fontSize = '12px';
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docElement.appendChild(closeButton)
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closeButton.addEventListener('mousedown', (e) => {
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e.stopPropagation();
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this.show_doc = !this.show_doc
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docElement.parentNode.removeChild(docElement)
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docElement = null
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if (contentWrapper) {
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contentWrapper.remove()
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contentWrapper = null
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}
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},
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{ signal: this.docCtrl.signal },
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);
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document.addEventListener('mousemove', function (e) {
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if (!isResizing) return;
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const scale = app.canvas.ds.scale;
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const newWidth = startWidth + (e.clientX - startX) / scale;
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const newHeight = startHeight + (e.clientY - startY) / scale;;
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docElement.style.width = `${newWidth}px`;
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docElement.style.height = `${newHeight}px`;
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},
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{ signal: this.docCtrl.signal },
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);
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document.addEventListener('mouseup', function () {
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isResizing = false
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},
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{ signal: this.docCtrl.signal },
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)
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document.body.appendChild(docElement)
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}
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// close the popup
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else if (!this.show_doc && docElement !== null) {
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docElement.parentNode.removeChild(docElement)
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docElement = null
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}
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// update position of the popup
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if (this.show_doc && docElement !== null) {
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const rect = ctx.canvas.getBoundingClientRect()
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const scaleX = rect.width / ctx.canvas.width
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const scaleY = rect.height / ctx.canvas.height
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const transform = new DOMMatrix()
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.scaleSelf(scaleX, scaleY)
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.multiplySelf(ctx.getTransform())
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.translateSelf(this.size[0], 0) // Adjusted position slightly
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.translateSelf(10, 0)
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const scale = new DOMMatrix()
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.scaleSelf(transform.a, transform.d);
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const bcr = app.canvas.canvas.getBoundingClientRect()
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const styleObject = {
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transformOrigin: '0 0',
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transform: scale,
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left: `${bcr.x + transform.e}px`,
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top: `${bcr.y + transform.f}px`,
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};
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Object.assign(docElement.style, styleObject);
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}
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ctx.save()
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ctx.translate(x, iconSize - 38)
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ctx.scale(iconSize / 24, iconSize / 24)
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ctx.font = 'bold 24px monospace'
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ctx.fillStyle = this.show_doc ? 'orange' : 'rgba(255, 255, 255, 0.4)';
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ctx.fillText('?', 0, 24)
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ctx.restore()
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return r
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}
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// handle clicking of the icon
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const mouseDown = nodeType.prototype.onMouseDown
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nodeType.prototype.onMouseDown = function (e, localPos, canvas) {
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const r = mouseDown ? mouseDown.apply(this, arguments) : undefined
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const iconX = this.size[0] - iconSize - iconMargin
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const iconY = iconSize - 34
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if (
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localPos[0] > iconX &&
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localPos[0] < iconX + iconSize &&
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localPos[1] > iconY &&
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localPos[1] < iconY + iconSize
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) {
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if (this.show_doc === undefined) {
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this.show_doc = true
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} else {
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this.show_doc = !this.show_doc
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}
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if (this.show_doc) {
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this.docCtrl = new AbortController()
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} else {
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if (this.docCtrl) {
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this.docCtrl.abort()
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}
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}
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return true;
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}
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return r;
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}
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const onRem = nodeType.prototype.onRemoved
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nodeType.prototype.onRemoved = function () {
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const r = onRem ? onRem.apply(this, []) : undefined
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if (docElement) {
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docElement.remove()
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docElement = null
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}
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if (contentWrapper) {
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contentWrapper.remove()
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contentWrapper = null
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}
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return r
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}
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} |